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CVE-2026-93521

Источник: debian

Описание

[RandR ChangeProviderProperty Heap Buffer Overflow]

Пакеты

ПакетСтатусВерсия исправленияРелизТип
xorg-serverfixed2:21.1.25-1package
xwaylandfixed2:24.1.14-1package

Примечания

  • Xwayland shouldn't be running as root, cf. README.Debian.security

  • https://lists.x.org/archives/xorg-announce/2026-October/003747.html

  • Fixed by: https://gitlab.freedesktop.org/xorg/xserver/-/commit/00ce692c7f6ea1900888a2a24aecf6cba5544ae1 (xorg-server-21.1.25)

Связанные уязвимости

ubuntu
20 дней назад

[RandR ChangeProviderProperty Heap Buffer Overflow]

CVSS3: 7.8
redhat
20 дней назад

A flaw was found in xorg-x11-server. The X server incorrectly calculates buffer sizes and memory offsets when prepending or appending data to RandR (Resize and Rotate extension) provider properties. A local attacker can exploit this vulnerability by sending specially crafted property update requests, causing memory corruption. This flaw could allow an attacker to escalate privileges or cause a denial of service (DoS) by crashing the X server.

rocky
13 дней назад

Important: xorg-x11-server security update

oracle-oval
14 дней назад

ELSA-2026-82015: xorg-x11-server security update (IMPORTANT)

rocky
5 дней назад

Important: xorg-x11-server-Xwayland security update